pt 1 in reviving the android build (copied from pm 28a1, wish me luck)

mobile/android/thirdparty/ch/boye/httpclientandroidlib/conn/ssl/DistinguishedNameParser.java

@@ -0,0 +1,131 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package ch.boye.httpclientandroidlib.conn.ssl;
+
+import java.util.ArrayList;
+import java.util.BitSet;
+import java.util.List;
+
+import ch.boye.httpclientandroidlib.NameValuePair;
+import ch.boye.httpclientandroidlib.annotation.Immutable;
+import ch.boye.httpclientandroidlib.message.BasicNameValuePair;
+import ch.boye.httpclientandroidlib.message.ParserCursor;
+import ch.boye.httpclientandroidlib.util.CharArrayBuffer;
+
+@Immutable
+final class DistinguishedNameParser {
+
+    public final static DistinguishedNameParser INSTANCE = new DistinguishedNameParser();
+
+    private static final BitSet EQUAL_OR_COMMA_OR_PLUS      = TokenParser.INIT_BITSET('=', ',', '+');
+    private static final BitSet COMMA_OR_PLUS               = TokenParser.INIT_BITSET(',', '+');
+
+    private final TokenParser tokenParser;
+
+    DistinguishedNameParser() {
+        this.tokenParser = new InternalTokenParser();
+    }
+
+    String parseToken(final CharArrayBuffer buf, final ParserCursor cursor, final BitSet delimiters) {
+        return tokenParser.parseToken(buf, cursor, delimiters);
+    }
+
+    String parseValue(final CharArrayBuffer buf, final ParserCursor cursor, final BitSet delimiters) {
+        return tokenParser.parseValue(buf, cursor, delimiters);
+    }
+
+    NameValuePair parseParameter(final CharArrayBuffer buf, final ParserCursor cursor) {
+        final String name = parseToken(buf, cursor, EQUAL_OR_COMMA_OR_PLUS);
+        if (cursor.atEnd()) {
+            return new BasicNameValuePair(name, null);
+        }
+        final int delim = buf.charAt(cursor.getPos());
+        cursor.updatePos(cursor.getPos() + 1);
+        if (delim == ',') {
+            return new BasicNameValuePair(name, null);
+        }
+        final String value = parseValue(buf, cursor, COMMA_OR_PLUS);
+        if (!cursor.atEnd()) {
+            cursor.updatePos(cursor.getPos() + 1);
+        }
+        return new BasicNameValuePair(name, value);
+    }
+
+    public List<NameValuePair> parse(final CharArrayBuffer buf, final ParserCursor cursor) {
+        final List<NameValuePair> params = new ArrayList<NameValuePair>();
+        tokenParser.skipWhiteSpace(buf, cursor);
+        while (!cursor.atEnd()) {
+            final NameValuePair param = parseParameter(buf, cursor);
+            params.add(param);
+        }
+        return params;
+    }
+
+    public List<NameValuePair> parse(final String s) {
+        if (s == null) {
+            return null;
+        }
+        final CharArrayBuffer buffer = new CharArrayBuffer(s.length());
+        buffer.append(s);
+        final ParserCursor cursor = new ParserCursor(0, s.length());
+        return parse(buffer, cursor);
+    }
+
+    static class InternalTokenParser extends TokenParser {
+
+        @Override
+        public void copyUnquotedContent(
+                final CharArrayBuffer buf,
+                final ParserCursor cursor,
+                final BitSet delimiters,
+                final StringBuilder dst) {
+            int pos = cursor.getPos();
+            final int indexFrom = cursor.getPos();
+            final int indexTo = cursor.getUpperBound();
+            boolean escaped = false;
+            for (int i = indexFrom; i < indexTo; i++, pos++) {
+                final char current = buf.charAt(i);
+                if (escaped) {
+                    dst.append(current);
+                    escaped = false;
+                } else {
+                    if ((delimiters != null && delimiters.get(current))
+                            || TokenParser.isWhitespace(current) || current == '\"') {
+                        break;
+                    } else if (current == '\\') {
+                        escaped = true;
+                    } else {
+                        dst.append(current);
+                    }
+                }
+            }
+            cursor.updatePos(pos);
+        }
+    }
+
+}